CN102857332A - 导频信号发送方法、无线通信系统、用于它们的装置及程序 - Google Patents
导频信号发送方法、无线通信系统、用于它们的装置及程序 Download PDFInfo
- Publication number
- CN102857332A CN102857332A CN2012102929899A CN201210292989A CN102857332A CN 102857332 A CN102857332 A CN 102857332A CN 2012102929899 A CN2012102929899 A CN 2012102929899A CN 201210292989 A CN201210292989 A CN 201210292989A CN 102857332 A CN102857332 A CN 102857332A
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- CN
- China
- Prior art keywords
- pilot
- base station
- pilot signal
- signal
- pattern
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0073—Allocation arrangements that take into account other cell interferences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0037—Inter-user or inter-terminal allocation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-124580 | 2006-04-28 | ||
JP2006124580 | 2006-04-28 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007800154794A Division CN101433111B (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
Publications (1)
Publication Number | Publication Date |
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CN102857332A true CN102857332A (zh) | 2013-01-02 |
Family
ID=38655415
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210292987XA Pending CN102857331A (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
CN2007800154794A Active CN101433111B (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
CN2012102929899A Pending CN102857332A (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
CN201310109193XA Pending CN103220753A (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
CN2012102929884A Pending CN102868509A (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210292987XA Pending CN102857331A (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
CN2007800154794A Active CN101433111B (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310109193XA Pending CN103220753A (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
CN2012102929884A Pending CN102868509A (zh) | 2006-04-28 | 2007-04-24 | 导频信号发送方法、无线通信系统、用于它们的装置及程序 |
Country Status (6)
Country | Link |
---|---|
US (3) | US20090175370A1 (ja) |
EP (4) | EP2615766A3 (ja) |
JP (5) | JP4941682B2 (ja) |
KR (7) | KR101312746B1 (ja) |
CN (5) | CN102857331A (ja) |
WO (1) | WO2007125889A1 (ja) |
Families Citing this family (32)
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US7894818B2 (en) * | 2005-06-15 | 2011-02-22 | Samsung Electronics Co., Ltd. | Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network |
KR101265632B1 (ko) | 2006-12-12 | 2013-05-22 | 엘지전자 주식회사 | 참조 신호 전송, 참조 신호 전송 패턴 설정, 자원 블록설정 및 할당을 위한 방법 및 장치 |
US8213943B2 (en) * | 2007-05-02 | 2012-07-03 | Qualcomm Incorporated | Constrained hopping of DL reference signals |
US8897269B2 (en) * | 2008-01-30 | 2014-11-25 | Qualcomm Incorporated | Method and apparatus for mitigating pilot pollution in a wireless network |
US8537790B2 (en) | 2008-03-10 | 2013-09-17 | Motorola Mobility Llc | Hierarchical pilot structure in wireless communication systems |
KR101074219B1 (ko) * | 2008-03-27 | 2011-10-14 | 주식회사 세아네트웍스 | 파일럿 신호 전송을 위한 방법 및 장치 |
KR20110060912A (ko) * | 2008-08-27 | 2011-06-08 | 가부시키가이샤 엔티티 도코모 | 이동통신방법, 이동통신시스템 및 무선기지국 |
KR101413504B1 (ko) * | 2008-09-05 | 2014-07-01 | 알까뗄 루슨트 | 무선 액세스 네트워크에서 업링크 신호 송신 및 채널 추정을 위한 방법 및 디바이스 |
KR101459155B1 (ko) * | 2008-09-30 | 2014-11-10 | 엘지전자 주식회사 | 협력 무선통신 시스템을 위한 기준신호의 전송방법 및 무선자원의 할당방법 |
AU2009217407C1 (en) | 2008-10-09 | 2015-07-23 | Sony Corporation | New frame and data pattern structure for multi-carrier systems |
US9100256B2 (en) | 2009-01-15 | 2015-08-04 | Arndt Mueller | Systems and methods for determining the number of channel estimation symbols based on the channel coherence bandwidth |
US20100220651A1 (en) * | 2009-03-02 | 2010-09-02 | Mediatek Inc. | Method and apparatus for broadcasting and receiving system information in OFDMA systems |
US8897123B2 (en) * | 2009-05-26 | 2014-11-25 | Kyocera Corporation | Radio communication terminal, base station, radio communication method and radio communication system |
JP5278173B2 (ja) * | 2009-06-04 | 2013-09-04 | ソニー株式会社 | 受信装置および方法、プログラム、並びに受信システム |
JPWO2010146985A1 (ja) * | 2009-06-19 | 2012-12-06 | シャープ株式会社 | 無線通信システム、送信機および無線通信方法 |
KR101625244B1 (ko) * | 2011-02-16 | 2016-05-30 | 삼성전자주식회사 | 이동 통신 시스템의 오프셋 추정 방법 및 그 장치 |
KR101820731B1 (ko) | 2011-08-25 | 2018-01-22 | 삼성전자주식회사 | 다수의 직교 주파수 분할 다중 파라미터 셋을 지원하는 무선통신 시스템에서 통신 방법 및 장치 |
US10003998B2 (en) * | 2012-05-04 | 2018-06-19 | Qualcomm Incorporated | Systems and methods for reduced overhead in wireless communication systems |
WO2014084029A1 (ja) * | 2012-11-28 | 2014-06-05 | 京セラ株式会社 | 基地局、プロセッサ、通信制御方法及びユーザ端末 |
EP2957048B1 (en) * | 2013-02-12 | 2019-10-23 | LG Electronics Inc. | A method of transmitting a reference signal from a base station to a user equipment in a wireless communication system and apparatus therefor |
US9621389B2 (en) * | 2013-09-30 | 2017-04-11 | Volvo Car Corporation | Method to introduce complementing training symbols into a 802.11p OFDM frame in vehicular communications |
EP3104540B1 (en) * | 2014-02-07 | 2021-09-15 | Panasonic Intellectual Property Corporation of America | Transmission device, transmission method, receiving device and receiving method |
JP2015159380A (ja) * | 2014-02-21 | 2015-09-03 | 京セラ株式会社 | 移動通信システム及びネットワーク装置 |
US9985802B2 (en) | 2014-10-31 | 2018-05-29 | Qualcomm Incorporated | Channel estimation enhancements |
US10491350B2 (en) | 2016-02-29 | 2019-11-26 | British Telecommunications Public Limited Company | Adaptive reference signal patterns |
EP3424171B1 (en) | 2016-02-29 | 2020-03-11 | British Telecommunications public limited company | Controlling adaptive reference signal patterns |
EP3424252B1 (en) | 2016-02-29 | 2022-03-16 | British Telecommunications public limited company | Adapting reference signal density |
US9584974B1 (en) * | 2016-05-11 | 2017-02-28 | Cognitive Systems Corp. | Detecting motion based on reference signal transmissions |
KR102017823B1 (ko) * | 2016-08-30 | 2019-09-03 | 한국전자통신연구원 | 협대역 사물 인터넷 단말의 채널 추정 방법 및 장치 |
WO2020037468A1 (zh) * | 2018-08-20 | 2020-02-27 | 北京小米移动软件有限公司 | 信道估计方法、装置、设备、基站及存储介质 |
US11569961B2 (en) * | 2019-08-30 | 2023-01-31 | Huawei Technologies Co., Ltd. | Reference signaling overhead reduction apparatus and methods |
US11258565B2 (en) | 2019-08-30 | 2022-02-22 | Huawei Technologies Co., Ltd. | Sparse reference signal-related signaling apparatus and methods |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US8010A (en) * | 1851-04-01 | Peter mckinlay | ||
FR2820574B1 (fr) * | 2001-02-08 | 2005-08-05 | Wavecom Sa | Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants |
JP4016647B2 (ja) * | 2001-05-17 | 2007-12-05 | 日本電気株式会社 | 移動通信システム、基地局、移動局及びそれらに用いるしきい値設定方法並びにそのプログラム |
US7042858B1 (en) * | 2002-03-22 | 2006-05-09 | Jianglei Ma | Soft handoff for OFDM |
KR100507519B1 (ko) * | 2002-12-13 | 2005-08-17 | 한국전자통신연구원 | Ofdma 기반 셀룰러 시스템의 하향링크를 위한 신호구성 방법 및 장치 |
US7738437B2 (en) | 2003-01-21 | 2010-06-15 | Nortel Networks Limited | Physical layer structures and initial access schemes in an unsynchronized communication network |
FR2854020B1 (fr) * | 2003-04-17 | 2005-09-09 | Wavecom | Procede de transmission de donnees radio mettant en oeuvre plusieurs motifs de pilotes distincts, procede de reception, systeme, mobile et station de base correspondants |
BRPI0413502B1 (pt) * | 2003-08-12 | 2020-12-01 | Godo Kaisha Ip Bridge 1 | aparelho de comunicação de rádio e método de transmissão de símbolo piloto |
US7660275B2 (en) * | 2003-10-24 | 2010-02-09 | Qualcomm Incorporated | Local and wide-area transmissions in a wireless broadcast network |
KR20050040988A (ko) * | 2003-10-29 | 2005-05-04 | 삼성전자주식회사 | 주파수도약 직교 주파수 분할 다중화 기반 셀룰러시스템을 위한 통신방법 |
EP1542488A1 (en) * | 2003-12-12 | 2005-06-15 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for allocating a pilot signal adapted to the channel characteristics |
EP1594260B1 (en) * | 2004-05-04 | 2008-01-23 | Alcatel Lucent | Method for inter-cell interference coordination with power planning for OFDM mobile communication system |
EP1792453B1 (en) * | 2004-09-24 | 2017-03-08 | Qualcomm, Incorporated | Method and apparatus for communication in a system employing differing transmission protocols |
EP1806892A1 (en) * | 2006-01-10 | 2007-07-11 | Alcatel Lucent | Method of separating signals in a cellular multicarrier telecommunication system |
EP1988729A4 (en) * | 2006-03-17 | 2012-04-11 | Panasonic Corp | WIRELESS COMMUNICATION BASE STATION DEVICE AND PILOT SIGNAL POSITIONING METHOD |
WO2007108080A1 (ja) * | 2006-03-20 | 2007-09-27 | Fujitsu Limited | 基地局およびそのmimo-ofdm通信方法 |
EP2070301A4 (en) * | 2006-08-08 | 2013-09-25 | Blackberry Ltd | METHOD AND SYSTEM FOR WIRELESS COMMUNICATION IN SEVERAL OPERATING ENVIRONMENTS |
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2007
- 2007-04-24 KR KR1020127019634A patent/KR101312746B1/ko active IP Right Grant
- 2007-04-24 CN CN201210292987XA patent/CN102857331A/zh active Pending
- 2007-04-24 CN CN2007800154794A patent/CN101433111B/zh active Active
- 2007-04-24 WO PCT/JP2007/058794 patent/WO2007125889A1/ja active Application Filing
- 2007-04-24 KR KR1020117012766A patent/KR20110084289A/ko active Search and Examination
- 2007-04-24 EP EP13161968.6A patent/EP2615766A3/en not_active Withdrawn
- 2007-04-24 CN CN2012102929899A patent/CN102857332A/zh active Pending
- 2007-04-24 EP EP07742229.3A patent/EP2015490A4/en not_active Withdrawn
- 2007-04-24 US US12/298,705 patent/US20090175370A1/en not_active Abandoned
- 2007-04-24 EP EP13161969.4A patent/EP2615767A3/en not_active Withdrawn
- 2007-04-24 CN CN201310109193XA patent/CN103220753A/zh active Pending
- 2007-04-24 KR KR1020107023661A patent/KR101091229B1/ko active IP Right Grant
- 2007-04-24 KR KR1020137004845A patent/KR20130038400A/ko not_active Application Discontinuation
- 2007-04-24 KR KR1020117010029A patent/KR20110058912A/ko not_active Application Discontinuation
- 2007-04-24 CN CN2012102929884A patent/CN102868509A/zh active Pending
- 2007-04-24 KR KR1020087023164A patent/KR101032849B1/ko active IP Right Grant
- 2007-04-24 KR KR1020137004608A patent/KR101346435B1/ko active IP Right Grant
- 2007-04-24 EP EP13161971.0A patent/EP2615768A3/en not_active Withdrawn
- 2007-04-24 JP JP2008513202A patent/JP4941682B2/ja active Active
-
2012
- 2012-01-06 JP JP2012000915A patent/JP5003925B2/ja active Active
- 2012-01-06 JP JP2012000916A patent/JP5013149B2/ja active Active
- 2012-01-17 US US13/352,025 patent/US20120113930A1/en not_active Abandoned
- 2012-06-01 JP JP2012125976A patent/JP5413629B2/ja active Active
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2013
- 2013-04-02 US US13/855,505 patent/US20130215816A1/en not_active Abandoned
- 2013-11-14 JP JP2013235927A patent/JP2014030278A/ja active Pending
Non-Patent Citations (2)
Title |
---|
PANASONIC: "Unicast/multicast multiplexing for downlink OFDM", 《3GPP-TSG-RAN WG1 LTE AD HOC MEETING》 * |
TEXAS INSTRUMENTS: "E-MBMS Reference Signal Structure", 《3GPP TSG RAN WG1#44BIS》 * |
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Application publication date: 20130102 |